Synth & Eurorack Parts / DIY

Our Synth & Eurorack Parts / DIY category is a curated list of items that are commonly found in synth/eurorack projects. The items and filters here do not represent our full lineup of parts. If you don't see what you are looking for, check out our main categories or send us a suggestion and we'll look into adding it.
ProtoBoard - Fits 1590B, 1 sided, 2-hole strips
Prototyping circuit board (PCB) designed to fit the Hammond 1590B die-cast aluminum enclosure. It has a convenient 2-hole pattern, which provides an easy way to connect parts while maximizing usable board area. It can be used as a stand-alone prototyping board, or installed in a Hammond 1590B enclosure. For fastening your project to a surface see our adhesive standoffs (S-H190-X) Features:
  • Single-sided high-quality FR4 glass-epoxy circuit board.
  • Convenient 2-hole pattern provides an easy way to connect parts.
  • 1oz/ft2 copper with an anti-tarnish coating for easy soldering. Lead free and RoHS compatible.
  • 0.042" holes are drilled on 0.1" (2.54mm) centers. 2 mounting holes.
  • PCB Size 2.05 x 4.05 in (52.1 x 102.9 mm)
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Wire - 22 AWG Stranded Core, PVC, 600V, Variety Pack
Variety pack, 10 feet for each color. 6 colors, 60 feet total. 600V stranded. Strands are tinned individually. See photos for detail. UL style 1015, rated to 105 degrees C. Perfect for new projects or rewiring any electrical equipment.
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Reverb Module - Accutronics Belton, Digi-Log, horizontal, mini
A great digital reverb sound that easily replaces a spring reverberation unit. Small package is half the size of the P-RBTDR-1H-X
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Transistor - 2N5089, TO-92 case, NPN
General purpose low level, low noise amplifier. Silicon NPN transistor.
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StripBoard - Single Sided, 3.94” x 3.15”, Mounting Holes
ST2 StripBoard is a prototyping circuit board with a standard long strip pattern. Tracks run the length of the board. The long tracks are convenient for power and ground rails, and for signal buses. Strips can be cut as needed to make smaller tracks and circuit pads. It has 0.1" hole spacing for DIP integrated circuits and headers and other parts. ST2 has higher quality than traditional stripboard. The holes are drilled, not punched. The base material is high-quality FR4 glass epoxy board. It has better stability and moisture resistance than boards using phenolic or SRBP (synthetic resin bonded paper), which can warp with exposure to humidity. Features
  • Standard stripboard pattern, with tracks running the length of the board.
  • Single-sided high-quality FR4 glass-epoxy circuit board.
  • 1oz/ft2 copper with an anti-tarnish coating for easy soldering.
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Knob - Small, Indicator Line, set screw
Colors Available:
The P-K380 is a high quality Davies 1510 clone. This classic design can be found on countless pedals, synths, amps and other equipment. The set screw uses a metal insert for additional stability and durability. This knob has an infilled painted indicator and fits 1/4" (6.35mm) pot shafts. The P-K380 pairs nicely with the color matched P-K801-BRASS-X knobs.
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Switch - Carling, Mini Toggle, SPDT, 2-Position, PC Pins
Carling mini-toggle switch, SPDT, PC Pins. 2-Position.
  • 0.354" bushing length
  • 2-Position On/On
  • ¼" mounting hole diameter
  • Single pole/Double throw (SPDT)
  • PC mount pins
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Op-Amp - TL074, Quad, Low-Noise, JFET Input, 14-Pin DIP
Low noise JFET quad operational amplifier. Incorporates well matched, high-voltage JFET and bipolar transistors in a monolithic integrated circuit. Features high slew rates, low input bias and offset currents, and low offset voltage temperature coefficients. Features:
  • Wide common-mode and differential voltage range
  • Low input bias and offset current
  • Low noise en = 15 nV/HZ
  • Output short-circuit protection
  • High input impedance JFET input stage
  • Low harmonic distortion: 0.01%
  • Internal frequency compensation
  • Latch up free operation
  • High slew rate: 16 V/us (typical)
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Capacitor - 50V, Radial Lead, Electrolytic
Package of 5
High quality, radial leaded, aluminum electrolytic capacitors rated at 50VDC.
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Capacitor - 0.002uF, 1000V, Ceramic Disc, ± 10%
0.002uF ceramic disc capacitor rated for up to 1kV, ± 10% tolerance.
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StripBoard - Single Sided, 6.30” x 3.94”
ST3U StripBoard is a prototyping circuit board with a standard long strip pattern. Tracks run the length of the board. The long tracks are convenient for power and ground rails, and for signal buses. Strips can be cut as needed to make smaller tracks and circuit pads. It has 0.1" hole spacing for DIP integrated circuits and headers and other parts. It has higher quality than traditional stripboard. The holes are drilled, not punched. The base material is high-quality FR4 glass epoxy board. It has better stability and moisture resistance than boards using phenolic or SRBP (synthetic resin bonded paper), which can warp with exposure to humidity. Features
  • Standard stripboard pattern, with tracks running the length of the board.
  • Single-sided high-quality FR4 glass-epoxy circuit board.
  • 1oz/ft2 copper with an anti-tarnish coating for easy soldering.
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Key Contacts - Korg, Rubber, for Keyboards
For N364 and X5, 5 are required. for N264, 2 are needed. May be cut. Sold individually. These are also used in the Kurzweil MK (MARK)-Series of electronic pianos.
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Transistor - 2N5088, Bipolar, General Purpose
2N5088 NPN Bipolar Junction Transistor in TO-92 package
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Wire - 22 AWG Solid Core, PVC, 600V, Variety Pack
Variety pack, 10 feet for each color. 6 colors, 60 feet total. Great for color-coded wiring with smaller quantities.
600V stranded. Strands are tinned individually. See photos for detail. UL style 1015, rated to 105 degrees C. Perfect for new projects or rewiring any electrical equipment.
Included colors:
  • Black
  • Red
  • Green
  • White
  • Yellow
  • Blue

See S-W33 for 50 foot rolls of individual colors.
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Wire - 22 AWG Solid Core, PVC, 600V, 50 Foot Roll
Colors Available:
600V solid wire. UL style 1015, rated to 105 degrees C. Perfect for new projects, rewiring electrical equipment, or use in breadboards, perfboard, and veroboard/stripboard.
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Reverb Module - Accutronics Belton, Digi-Log, Adjustable Decay
A great digital reverb sound that easily replaces a spring reverberation unit. Stereo outputs may be summed for mono operation. Simple interface: input, output, +5V, and ground
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3.5mm Jack - Qingpu, Eurorack, Stereo, PC Mount
PCB mounted 3.5mm stereo jacks commonly found in DIY Eurorack projects. These are the newest version from Qingpu Electronics featuring a square bushing plate for added durability. Hardware sold separately. See accessory items below.
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Potentiometer - Alpha, 300kΩ, Linear, Knurled Shaft, 16mm
Miniature Alpha pot for guitars. 300K linear taper.
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Op-Amp - TL062, Dual, Low-Power, JFET Input, 8-Pin DIP
Dual low power opamps in an 8-pin DIP package. The TL062 offers a high input impedance and 1MHz bandwidth.
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Knob - Plastic, Set Screw, Vertical Line, 0.525" Diameter
Colors Available:
Small plastic control knob with set screw and brass insert. This knob features a radial-brushed metal top and a stylish vertical knurl. The style is similar to the Boss middle knobs used on many pedals. Fits ¼” (6.35mm) pot shafts.
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Wire - Weico, 24AWG Stranded, Top Coat Pre-Tinned, 300V, 50 Feet
Colors Available:
High quality 24AWG wire from Weico featuring a topcoat of solder over the strands. This wire is pre-tinned in the sense that a coating of solder is already applied, bonding the individual strands together so no additional tinning is required. This wire is ready to go as soon as it is cut and stripped making assembly that much easier. Rated at 300V and offered in a variety of colors, this wire is a great option for a variety of different projects.
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Microphone Condenser - Korg, EM197K
Korg condenser microphone EM197K, used on the Korg MicroKORG.
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Audio Power Amplifier - LM386N-1, Low Voltage
LM386 Low Voltage Audio Power Amplifier The LM386 is a mono low voltage amplifier that can be used in a variety of applications. It can drive loads from 4 Ω to 32 Ω. The gain is internally set to 20 but it can be modified from 20 to 200 by placing a resistor and capacitor between pins 1 and 8. As this is an Op Amp it can be used in different configurations to fit in several applications. The internal gain setting resistor allows the LM386 to be used in a very low part count system. In addition a series resistor can be placed between pins 1 and 5 to modify the gain and frequency response for specific applications. These are found in many small audio amplifiers and even tiny pedal sized guitar amplifiers! There are tons of possibilities for this little Op Amp.
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Integrated Circuit - SSI2130, VCO, Sound Semiconductor
The FatKeys™ SSI2130 Voltage Controlled Oscillator provides beautiful triangle, sawtooth, pulse, and square waveforms with unprecedented temperature stability; and adds an on-chip mixer, low distortion sine wave generator, through-zero FM/PM capability and more in an ultra-compact PCB footprint.
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